Two Ethernet Connections to Same Subnet Post: 27356

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LEARN ABOUT PLAN9

hme

HME(4)                                                     BSD Kernel Interfaces Manual                                                     HME(4)

NAME

     hme -- Sun Microelectronics STP2002-STQ Ethernet interfaces device driver

SYNOPSIS

     To compile this driver into the kernel, place the following lines in your kernel configuration file:

           device miibus
           device hme

     Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

           if_hme_load="YES"

DESCRIPTION

     The hme driver supports Sun Microelectronics STP2002-STQ ``Happy Meal Ethernet'' Fast Ethernet interfaces.

     All controllers supported by the hme driver have TCP checksum offload capability for both receive and transmit, support for the reception and
     transmission of extended frames for vlan(4) and a 128-bit multicast hash filter.

HARDWARE

     The hme driver supports the on-board Ethernet interfaces of many Sun UltraSPARC workstation and server models.

     Cards supported by the hme driver include:

     o   Sun PCI SunSwift Adapter (``SUNW,hme'')
     o   Sun SBus SunSwift Adapter (``hme'' and ``SUNW,hme'')
     o   Sun PCI Sun100BaseT Adapter 2.0 (``SUNW,hme'')
     o   Sun SBus Sun100BaseT 2.0 (``SUNW,hme'')
     o   Sun PCI Quad FastEthernet Controller (``SUNW,qfe'')
     o   Sun SBus Quad FastEthernet Controller (``SUNW,qfe'')

NOTES

     On sparc64 the hme driver respects the local-mac-address? system configuration variable which can be set in the Open Firmware boot monitor
     using the setenv command or by eeprom(8).  If set to ``false'' (the default), the hme driver will use the system's default MAC address for
     all of its devices.  If set to ``true'', the unique MAC address of each interface is used if present rather than the system's default MAC
     address.

     Supported interfaces having their own MAC address include on-board versions on boards equipped with more than one Ethernet interface and all
     add-on cards except the single-port SBus versions.

SEE ALSO

     altq(4), intro(4), miibus(4), netintro(4), vlan(4), eeprom(8), ifconfig(8)

     Sun Microelectronics, STP2002QFP Fast Ethernet, Parallel Port, SCSI (FEPS) User's Guide, April 1996,
     http://mediacast.sun.com/users/Barton808/media/STP2002QFP-FEPs_UG.pdf.

HISTORY

     The hme driver first appeared in NetBSD 1.5.  The first FreeBSD version to include it was FreeBSD 5.0.

AUTHORS

     The hme driver was written by Paul Kranenburg <pk@NetBSD.org>.

BSD                                                                June 14, 2009                                                               BSD